1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index d5bfaba595c7..bd13b6f4a98e 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -178,6 +178,7 @@ extern struct sock *netlink_kernel_create(struct net *net,
                                           void (*input)(struct sk_buff *skb),
                                           struct mutex *cb_mutex,
                                           struct module *module);
+extern void netlink_kernel_release(struct sock *sk);
 extern int netlink_change_ngroups(struct sock *sk, unsigned int groups);
 extern void netlink_clear_multicast_users(struct sock *sk, unsigned int group);
 extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err);
@@ -245,7 +246,7 @@ __nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
 }
 
 #define NLMSG_NEW(skb, pid, seq, type, len, flags) \
-({      if (skb_tailroom(skb) < (int)NLMSG_SPACE(len)) \
+({      if (unlikely(skb_tailroom(skb) < (int)NLMSG_SPACE(len))) \
                 goto nlmsg_failure; \
         __nlmsg_put(skb, pid, seq, type, len, flags); })